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Thread: gen 4 problems

  1. #1

    gen 4 problems

    couple issues No matter what i do idles at 1.5 degress of timing .Trans will not shift .when scanning stuck at 158
    Attached Files Attached Files
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  2. #2
    Advanced Tuner
    Join Date
    Aug 2021
    Posts
    847
    Need more information on this. Is this a cam only car? What mods have you done? Do you have a log you can attach? You could try to lower the Base Running Airflow by 10% and see if that helps at all..just make sure that your Park and Neutral are the same.
    Last edited by LS ROB; 07-11-2022 at 11:51 PM.

  3. #3
    cam only chevy hot cam 218-227 .thanks rob
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  4. #4
    Advanced Tuner
    Join Date
    Aug 2021
    Posts
    847
    jaames elcanio new after wires 2idle-1.hpt

    see if this helps any. I made some changes to your BRAF table and cut the Idle Spark Adder down some. Have you been able to get a log that you can upload?

  5. #5
    thanks will try when i get car back . Back at transmission shop for 3rd time .I HAVE ls swap 47 cars and trucks .This one has been a nightmare lol
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